Card Set: Speed Duel: Attack from the Deep

Rarity: Super Rare

Card Type: Skill

Texto (EN): Skill activation Flip this card over when you activate this Skill. Effect Activate this Skill during your Main Phase. All Machine monsters you control are unaffected by your opponent's Spell effects. You can Normal Summon Machine Normal Monsters with 1 less Tribute. If a non-Machine monster is in your GY, flip this Skill over. This Skill can only be used once per Duel.